Taris Real Estate

As Chicago’s premiere real estate developer and investor, Taris Real Estate believes that homeowners should never have to settle on quality. Taris’ commitment to excellence is reflected within its portfolio of exceptionally crafted projects – ranging from high-end penthouse apartments in the West Loop to expansive town homes in the nearby suburbs. Taris’ building practices are founded on a combination of sustainability, cost-effectiveness and a keen grasp of local and international markets, which ensures a superior product. When a client works with Taris Real Estate, they can be confident that they will purchase a property of which they can be proud.  


Over the past 7 years, the principals of our firm have acquired, planned, and developed projects with an aggregate value in excess of 300 million dollars. Taris’s history of success focuses on ground-up and value-add opportunities in multi-family condominium, rental and retail properties. 


Taris’ vast experience has helped cultivate its selective ability to recognize fruitful opportunities based on a set of distinct criteria that has been proven to yield results. When niche openings to enter mature markets arise, Taris offers a unique and developed approach tailored to that opportunity. 


Our multi-role management style serves as the fundamental key to our success. As developer and investor, our skill set draws from a diverse array of disciplines that direct how we approach our developments, supplemented by deep relationships that provide the competitive advantage necessary in today's market.



Patrick Buck

Managing Director

Mr. Buck manages the business operation and has financial oversight for all Taris Real Estate interests. He is responsible for deal sourcing, execution, creating the debt and equity capital structures, and investor reporting and bank relationships.

Buck is a graduate of Loyola University of Chicago with a degree in public accounting.  He also holds a Certificate in e-commerce strategy from the University of Chicago. Prior to Taris Real Estate, he was the Chief Financial Officer for Zen Holdings, LLC, a holding company and family office focused on proprietary trading and private investments.


Koray Yesilli


Koray Yesilli is the Chief Investment Officer of Taris Real Estate. His responsibilities include conducting initial financial analysis and feasibility studies of potential new developments, financial reporting, controlling functions and fundraising activities. Yesilli works closely with underwriters and investors to find optimal capital structures. He takes on financial feasibility, procurement, financing and project management duties. His experience also includes international procurement and vendor communication.

Prior to his experience with Taris Real Estate, he worked as an associate at Sente Advisory, where he was responsible for the financial analysis of multiple technology startups, creating Unit Models and market research. Yesilli possesses a Master’s Degree in Finance as well as Computational Finance from DePaul University. He received his Bachelor’s Degree in Energy and Process Technology from Berlin Institute of Technology and has also passed his CFA Level Il exam.


Robert Rixer


Robert Rixer is the Director of Development for Taris Real Estate. He is responsible for overseeing the successful delivery of projects for the company which includes deal sourcing, pre-development, construction management and disposition of the assets. He comes from a background in construction and real estate having previously worked in luxury residences and concrete high-rise construction.

Rixer is a graduate of the Illinois Institute of Technology with a degree in Civil Engineering. He is the current Board Secretary of the Lincoln Central Association neighborhood organization in Lincoln Park, having served on the Board of Directors since 2017. He also sits on the Construction Committee for Habitat for Humanity Chicago and is a regular guest on the sports talk radio show, the Rewind Sports 60 on WCPT 820 Chicago. Rixer is an avid real estate investor and is a licensed broker in the state of Illinois.


Philipp Koenigstein

Project manager

Philipp Koenigstein is a Project Manager for Taris Real Estate. He is responsible for monitoring, coordinating and execution of construction work with subcontractors, inspectors, surveyors and property management groups and other administrative authorities. Additionally, Koenigstein manages accounts for completed projects to ensure client satisfaction after closing. Aside from overseeing project progress, compliance and abidance of plans, Koenigstein coordinates the digital marketing efforts for the company. He maintains social media and network accounts and creates online marketing content.

Before joining Taris Real Estate, Koenigstein acquired project management experience through an internship with Modagrafics where he assisted in maintaining current accounts, expanding the network of potential clients and establishing new partnerships. Koenigstein attended DePaul University as a four year letter winner for the men’s soccer team and graduated in the summer of 2018 with a double major in Economics and Marketing.